Lesnes Abbey Woods, sometimes known as Abbey Wood, is a 73 ha ancient woodland in southeast London, England. It is located near to, and named after, the ruined Lesnes Abbey in the London Borough of Bexley and gives its name to the Abbey Wood district. The woods are adjacent to Bostall Woods.

Lesnes Abbey Woods is a Local Nature Reserve and includes the Abbey Wood geological Site of Special Scientific Interest, an important site for early Tertiary fossils.